July 2025 in “Clinical Dermatology Review” A rare family case of multiple benign hair follicle tumors was identified, highlighting the need to distinguish them from similar conditions.
8 citations
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May 2005 in “The American journal of dermatopathology/American journal of dermatopathology” The hair defect is due to abnormal inner root sheath keratinization.
28 citations
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March 1993 in “Journal of Cell Science” Keratins K4 and K13 form stable dimers in mature esophageal cells, aiding cell stability.
January 2017 in “Enlighten: Publications (The University of Glasgow)” Activating β-catenin and inactivating PTEN cause follicular tumors, not papillomas, similar to those in Cowden’s Disease.
9 citations
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May 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” Human melanocytes have unique traits that affect melanoma development and prognosis.
248 citations
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April 1988 in “Differentiation” Human and bovine hair follicles have distinct cytokeratins specific to hair-forming cells.
21 citations
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December 1994 in “Journal of Investigative Dermatology” 37 citations
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April 1977 in “Journal of Cutaneous Pathology” Skin biopsy can help diagnose hair loss from trichotillomania.
January 2001 in “Biomedical Research” THH and PAD type III appear together early in hair growth, but deiminated THH appears later, suggesting another factor is involved.
72 citations
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May 1993 in “The Journal of Cell Biology” Trichohyalin in sheep hair follicles may help with structure and calcium binding.
19 citations
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July 1964 in “PubMed” Hair follicle cells become four types: medulla, cortex, cuticle, and inner root sheath.
January 1999 in “Journal of Investigative Dermatology”
27 citations
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August 2014 in “Wiley interdisciplinary reviews. Developmental biology” The skin and thymus develop similarly to protect and support immunity.
28 citations
,
March 2010 in “Histochemistry and Cell Biology” Different markers are found in stem cells of the scalp's hair follicle bulge and the surrounding skin.
3 citations
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May 2024 in “Skin Appendage Disorders” Trichoscopy helps diagnose and understand Discoid Lupus Erythematosus on the scalp by identifying specific patterns.
October 2024 in “Dermatology Practical & Conceptual” Using dermoscopy improves diagnosis of scalp and hair disorders in children.
April 2026 in “Development” Hemidesmosomes and Notch signaling help skin cells mature by moving them to the outer layer.
555 citations
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July 2001 in “Genes & Development” Tcf3 and Lef1 are key in deciding skin stem cell roles.
34 citations
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April 2016 in “International Journal of Dermatology” Trichoscopy is a useful method for identifying primary cicatricial alopecias and their specific types.
4 citations
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August 1991 in “The Journal of Dermatology” The tumor on the man's nose was a rare type called pedunculated follicular hamartoma.
January 2022 in “Journal of clinical and diagnostic research” A rare skin bump with tiny hairs was successfully removed from a man's face.
54 citations
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November 1986 in “Journal of the American Academy of Dermatology” Generalized trichoepitheliomas with hair loss may indicate myasthenia gravis.
December 2023 in “Portuguese journal of dermatology and venereology” Trichoscopy can reliably distinguish between alopecia areata and trichotillomania.
42 citations
,
October 2012 in “Dermatologic Clinics” Trichoscopy is a useful tool for diagnosing different hair and scalp diseases without surgery.
49 citations
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July 2006 in “British Journal of Dermatology” Calcifying epithelioma cells can differentiate into hair cortex and outer root sheath.
2 citations
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January 2017 in “International Journal of Trichology” Trichoscopy can reveal specific hair and scalp changes in linear morphea.
214 citations
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April 2017 in “Cell” Different small areas within hair follicles send specific signals that control what type of cells stem cells become.
87 citations
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August 1974 in “Journal of Investigative Dermatology” 1 citations
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January 2022 in “Clinical dermatology review” A young man's cheek papule was identified as a benign hair follicle tumor using a skin surface microscope.
24 citations
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June 2003 in “Journal of Structural Biology” Sheet formation is key to macrofibril structure differences in wool.